Site

State

PM AQI* (ug/m3)

Durango Complex

AZ

9

Thirty Third

AZ

9

Socorro Hueco C49

TX

8

South Phoenix

AZ

8

El Paso UTEP C12

TX

7

Jefferson

NM

6

Ascarate Park Southeast C37

TX

6

Taos Fire Station

NM

6

Odessa Gonzales C1014

TX

5

Casa Grande Downtown

AZ

5